Citizservicemanual
144
F U N C T I O N  T E S T S
9.9 Pro tec ti vei ns ula tio nt est

9.9.1 Whatc offeemac hin esh avet obet est edand when?

Thistestisnecessary
 forclass1and2equipment (with/withoutprotectiveeart h)
 afterarepairwheneverageneraldis assemblyoftheplatformand/orcoreu nitwas
performed.

9.9.2 Genera l

Legal regu latio n

Incaseofarepair/modificationofthecoffeemachine,therepaircentreisboundbylaw
toprotecttheuser/consume rby
 restoringtheregularcondit ionoftheapplianceand
 performingtherespectivetests accordingtoEN/IEC603351“Safet yofhousehold
andsimilarelectricalapplianc es”andnationalregulations (e.g.DINVDE0701).

Descr ipti on

Theinsulationtest
 assuresthatwiringandinsulationofthecoffeemachinefullfillthenormativerequire
mentsafterarepair,
 ratestheinsulationcapabili tyofthecoffeemachine,
 isaverydangeroustestbec auseofahightestvoltage( 500VDC).
Fortheinsulationtest,phas eandneutralwireareshunted atthepowerplug.Thena
testvoltageisappliedbetweenphase/neutral andselectedpartsofthecoffeemachine.

Testequ ipm ent

Specialtestequipmentisneed edthatcomplieswiththereg ulationstoperforminsula
tionandwithstandingvoltagetests.Detailed requirementsandtolerancesmustbeveri
fiedwithyourlocalauthoriti esormeasurementsupplieri nanycase.
Ideallythetestequipment hasanationalpowersocketfor testing,sothatthecoffee
machinecanpluggedindirectly.Otherwiseaspecialshuntisnecessar ytoconnectthe
phaseandneutralpinofth ecoffeemachine’spowerplug .

Testrep or t

Forlegalreasonsarepairortestreportshouldbepreparedandfiledwithfollowinginfor
mation
 customer(name,address)
 typeandserialnumberof coffeemachine
 dateofrepair/test(s)
 performedtest(s)/measuring value(s),testpoints
 usedtestequipment
 signature
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recommendations
abouttestequipment.